Home / 258,647.04-388,177.92-134,023.68

Finding the Fourth Proportional to 258,647.04, 388,177.92 and 134,023.68

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Solution

The fourth proportional to 258,647.04, 388,177.92 and 134,023.68 is: 201,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,647.04 : 388,177.92 = 134,023.68 : x
  2. Step 2: Convert to fraction form
    258,647.04/388,177.92 = 134,023.68/x
  3. Step 3: Cross multiply
    258,647.04x = 388,177.92 × 134,023.68
  4. Step 4: Simplify right side
    258,647.04x = 52,025,033,333.15
  5. Step 5: Solve for x
    x = 52,025,033,333.15/258,647.04
  6. Step 6: Final answer
    x = 201,142.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.